diff options
author | Jiro SEKIBA <jir@unicus.jp> | 2009-11-09 05:10:11 -0500 |
---|---|---|
committer | Ryusuke Konishi <konishi.ryusuke@lab.ntt.co.jp> | 2009-11-19 20:05:46 -0500 |
commit | 6600b9dd8e0d4a60c610f216b78d992a598bc52a (patch) | |
tree | 9c1b718ab0c5d8dea2f200eaa1b8296e655e4657 /fs/nilfs2/btree.h | |
parent | 9b945d537db86557e5b5820b4b52df94c35b3829 (diff) |
nilfs2: move definition of struct nilfs_btree_node
This is a trivial patch to expose struct nilfs_fs_btree_node.
The struct should be exposed outside of kernel, for it is disk format.
Signed-off-by: Jiro SEKIBA <jir@unicus.jp>
Signed-off-by: Ryusuke Konishi <konishi.ryusuke@lab.ntt.co.jp>
Diffstat (limited to 'fs/nilfs2/btree.h')
-rw-r--r-- | fs/nilfs2/btree.h | 22 |
1 files changed, 0 insertions, 22 deletions
diff --git a/fs/nilfs2/btree.h b/fs/nilfs2/btree.h index 0e72bbbc6b64..4b82d84ade75 100644 --- a/fs/nilfs2/btree.h +++ b/fs/nilfs2/btree.h | |||
@@ -34,28 +34,6 @@ struct nilfs_btree; | |||
34 | struct nilfs_btree_path; | 34 | struct nilfs_btree_path; |
35 | 35 | ||
36 | /** | 36 | /** |
37 | * struct nilfs_btree_node - B-tree node | ||
38 | * @bn_flags: flags | ||
39 | * @bn_level: level | ||
40 | * @bn_nchildren: number of children | ||
41 | * @bn_pad: padding | ||
42 | */ | ||
43 | struct nilfs_btree_node { | ||
44 | __u8 bn_flags; | ||
45 | __u8 bn_level; | ||
46 | __le16 bn_nchildren; | ||
47 | __le32 bn_pad; | ||
48 | }; | ||
49 | |||
50 | /* flags */ | ||
51 | #define NILFS_BTREE_NODE_ROOT 0x01 | ||
52 | |||
53 | /* level */ | ||
54 | #define NILFS_BTREE_LEVEL_DATA 0 | ||
55 | #define NILFS_BTREE_LEVEL_NODE_MIN (NILFS_BTREE_LEVEL_DATA + 1) | ||
56 | #define NILFS_BTREE_LEVEL_MAX 14 | ||
57 | |||
58 | /** | ||
59 | * struct nilfs_btree - B-tree structure | 37 | * struct nilfs_btree - B-tree structure |
60 | * @bt_bmap: bmap base structure | 38 | * @bt_bmap: bmap base structure |
61 | */ | 39 | */ |